yes but it's not good to feed them to much too often i've heard it can be bad for them. it isn't a part of their natural diet so i'd stick to frosen and flake foods
My krib loves it too! He usually "guards" his piece from everyone else. (that's why I now have to put several chunks in there) And my ghost shrimp are always hauling off pieces as big as they are....my little pigs!